/**
* Tags saving logic, runned after the object himself has been saved
*
* @param BaseObject $object
*/
public function postSave(BaseObject $object)
{
$tags = self::get_tags($object);
$removed_tags = self::get_removed_tags($object);
// save new tags
foreach ($tags as $tagname) {
$tag = TagPeer::retrieveOrCreateByTagName($tagname);
$tag->save();
$tagging = new Tagging();
$tagging->setTagId($tag->getId());
$tagging->setTaggableId($object->getPrimaryKey());
$tagging->setTaggableModel(get_class($object));
$tagging->save();
}
// remove removed tags
$c = new Criteria();
$c->add(TagPeer::NAME, $removed_tags, Criteria::IN);
$rs = TagPeer::doSelectRS($c);
$removed_tag_ids = array();
while ($rs->next()) {
$removed_tag_ids[] = $rs->getInt(1);
}
$c = new Criteria();
$c->add(TaggingPeer::TAG_ID, $removed_tag_ids, Criteria::IN);
$c->add(TaggingPeer::TAGGABLE_ID, $object->getPrimaryKey());
$c->add(TaggingPeer::TAGGABLE_MODEL, get_class($object));
TaggingPeer::doDelete($c);
$tags = array_merge(self::get_tags($object), $this->getSavedTags($object));
self::set_saved_tags($object, $tags);
self::clear_tags($object);
self::clear_removed_tags($object);
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param PropelPDO $con
* @return void
* @throws PropelException
* @see BaseObject::setDeleted()
* @see BaseObject::isDeleted()
*/
public function delete(PropelPDO $con = null)
{
foreach (sfMixer::getCallables('BaseTagging:delete:pre') as $callable) {
$ret = call_user_func($callable, $this, $con);
if ($ret) {
return;
}
}
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getConnection(TaggingPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
$con->beginTransaction();
try {
TaggingPeer::doDelete($this, $con);
$this->setDeleted(true);
$con->commit();
} catch (PropelException $e) {
$con->rollBack();
throw $e;
}
foreach (sfMixer::getCallables('BaseTagging:delete:post') as $callable) {
call_user_func($callable, $this, $con);
}
}
/**
* This is a method for emulating ON DELETE CASCADE for DBs that don't support this
* feature (like MySQL or SQLite).
*
* This method is not very speedy because it must perform a query first to get
* the implicated records and then perform the deletes by calling those Peer classes.
*
* This method should be used within a transaction if possible.
*
* @param Criteria $criteria
* @param PropelPDO $con
* @return int The number of affected rows (if supported by underlying database driver).
*/
protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con)
{
// initialize var to track total num of affected rows
$affectedRows = 0;
// first find the objects that are implicated by the $criteria
$objects = TagPeer::doSelect($criteria, $con);
foreach ($objects as $obj) {
// delete related Tagging objects
$c = new Criteria(TaggingPeer::DATABASE_NAME);
$c->add(TaggingPeer::TAG_ID, $obj->getID());
$affectedRows += TaggingPeer::doDelete($c, $con);
}
return $affectedRows;
}